FROM node:22-alpine

# Set working directory
WORKDIR /app

# Install dependencies
COPY package*.json ./
RUN npm ci

# Copy source code
COPY . .

# Create a non-root user
RUN addgroup -S appgroup && adduser -S appuser -G appgroup
RUN chown -R appuser:appgroup /app

# Switch to non-root user
USER appuser

# Expose port
EXPOSE 3000

# Start development server with hot reloading
CMD ["npm", "run", "dev"]